Swan River - Pier 21 Marina Wind ForecastAustraliaWAPerthSwan River - Pier 21 Marina1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Swan River - Pier 21 Marina wind forecast issued today at 6:34 am. Next forecast at approx. 6:34 pm. Swan River - Pier 21 Marina Wind Statistics View MoreJuly WindSwanbourne (8km)2025JuneJulyStrongest 7 July, 202583.2km/h WNWAverage July13.8km/hStrongest 21 June, 202572.4km/h SWAverage June13.5km/hStrongest 7 July, 202583.2km/h WNWAverage 202514.8km/hClimate (2010–Present)Swanbourne (8km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 29 May, 2024100.1km/h WAverage 2020–202515.8km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July17.5%10%2.5%CalmGaleJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July15%8.75%2.5%CalmGaleGet WillyWeather+ to remove ads